Unionidae

== Translingual == === Etymology === From Unio (with insertion of -n- after its etymon, Classical Latin ūniō (stem ūniōn-)) +‎ -idae. === Proper noun === Unionidae A taxonomic family within the order Unionida – river mussels, of fresh, flowing waters of the Northern Hemisphere. ==== Hypernyms ==== (family): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Protostomia – infrakingdom; Spiralia – superphylum; Mollusca – phylum; Bivalvia – class, Autobranchia – subclass, Heteroconchia – superorder; Unionida – order, Unionoidea – superfamily ==== Hyponyms ==== (family): Unio – type genus; for the numerous genera see Unionidae at World Register of Marine Species ==== Descendants ==== → English: unionid === References === === Further reading === Unionidae on Wikipedia.Wikipedia Unionidae on Wikispecies.Wikispecies Category:Unionidae on Wikimedia Commons.Wikimedia Commons Unionidae at National Center for Biotechnology Information Unionidae at AnimalBase Unionidae at Integrated Taxonomic Information System. Unionidae at World Register of Marine Species